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VALLEY

Q1. What is a valley?
A deep depression between hills or mountains often carved out by a river or glacier erosion.

Q2. What is a Longitudinal Valley?
The valley exactly parallel to a mountain range. May be 'V' or 'U' shaped.
Q3. What is a glacial valley?
Formed by the massive power of glaciers.
Q4. What is a rift valley?
Formed by the earth crust's expansion due to tectonic activity. In simple terms, it is a narrow elongated valley caused by earth's movements formed due to the forces of tension in the earth's crust.
Q5. Where is the Great Rift Valley? What is its extant?
Runs for nearly 5000 Kms from northern Syria to Central Mozambique The name was given by John Water Gregory, UK.
Q6. What is a Canyon?
A deep narrow valley with almost upright sides, formed by denudation of Rocks by river, rainwater etc.,
Q7. Valleys are formed by?
Also formed when a part of a plateau sinks between two faults (cracks) creating a valley with almost vertical slopes. Eg: Low lands of Scotland.
Q8. Where is the famous Grand Canyon?
Colorado, USA formed by the Colorado river. It is 227 miles/446 Kms long width is from .5 miles to 15 miles Depth is more than a Km.
Q9. What is a Gorge?
An unusually deep narrow valley with steep sides. A gorge of greater depthis called a canyon.
Q10. What is a Graben?
A depressed block of land bordered by parallel faults.
Q11. Where is Amby valley?
Near Lonavala, Maharashtra (Pune).
Q12. Where is Alaknanda Valley?
Uttarakhand, a Himalayan Valley.
Q13. Where is Araku Valley and what is the attraction around this valley?
A famous hills station in Visakhapatnam in Andhra Pradesh. The nearby attraction is Borra Caves.
Q14. Where is Bhagirathi Valley?
Uttarakhand, Himalayas.
Q15. Where is Bakranangal Valley and what is its importance?
Himachal Pradesh Punjab borders, where the landmark Bakra Dam on the Sutlej river is coming up.
Q16. Where is Damodar Valley and what is its importance?
Spread across Jharkhand and West Bengal. This valley is a landmark in the Indian economic history in that the first public sector corporationThe Damodar Valley Corporation was set up in July 1948.
Q17. Damodar Valley is also famous for?
Coal and Mica deposits.
Q18. Where is Doon Valley and what is it famous for?
Dehradun, Uttarakhand. Famous for the "Doon Public School" which has Famous dignitaries of India and abroad, in its alumni list.
Q19. Where is Rishi Valley and what is it famous for?
Near Madanapalle, Andhra Pradesh. Famous for the Rishi Valley Public School founded by famous philosopher J.Krishnamurthi. (J = Jiddu).
Q20. Where is valley of flowers and it is famous for?
Uttarakhand. Famous for the World Heritage Site of "Valley of Flowers National Park.
Q21. What are the other Valleys of India?

1. Kashmir Valley, Jammu and Kashmir.

2. Kullu Valley, Uttar Pradesh.

3. Kangra Valley, Himachal Pradesh.

4. Narmada Valley, Madhya Pradesh.

5. Yum Thang Valley, Sikkim

6. Silent Valley, Kerala (Idukki)

Q22. What is the term used for an almost knife like ridge of rock, which is typically formed when two glaciers erode parallel U shaped valleys?
Arete.